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Full disclosure: I received these for free from Topdogheadphones after my review won a DUNU Tai-Chi review contest. I was offered a prize valued at £35 and I chose the Telefunken TH-140 and was asked if I could review them as well and I accepted.
Introduction
Telefunken isn’t a name I’ve often heard in the headphone business. In fact, before receiving these, I hadn’t heard it at...” --TheGame21x

“My Altec Lansing 716s are getting old and my Sennheiser HD 600s will need new cords shortly, so when I saw the Lenntek Pros at Costco.com for $50, I couldn't pass them up.
When I first opened the box, and cut open the sealed all around plastic, I noticed that the included tips are all very small. But if you push them deep, deep, deep into your your ear canal you can get a seal....” --chasfs